DTD498 Copper Alloy: High Strength, Ductility, and Excellent Conductivity

DTD498 (CuNi2Si) is a copper-nickel-silicon alloy which demonstrates a combination of high mechanical strength and notch ductility whilst still possessing superior electrical and thermal conductivities. It shows the following features and properties:

Good electrical and thermal conductivity

Low magnetic permeability

Resistance to corrosion and hydrogen embrittlement

Additional services: Cuttings, Parts from drawings

LEBRONZE ALLOYS

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Information and services

Quantity: Depending on material – Contact usAdditional services: Specific treatments, size customisation, co-design

Properties

General

Property	Temperature	Value
Density	23.0 °C	8.87 g/cm³

Mechanical

Property	Temperature	Value
Elastic modulus	23.0 °C	150 GPa
Elongation	23.0 °C	18 %
Hardness, Vickers	23.0 °C	159 - 207 [-]
Shear modulus	23.0 °C	106 GPa
Tensile strength	23.0 °C	580 MPa
Yield strength Rp0.2	23.0 °C	430 MPa

Thermal

Property	Temperature	Value
Specific heat capacity	23.0 °C	419 J/(kg·K)
Thermal conductivity	23.0 °C	190 W/(m·K)

Electrical

Property	Temperature	Value
Electrical resistivity	23.0 °C	2.5E-7 Ω·m
Specific Electrical conductivity		6.9 % IACS

Chemical properties

Property	Value
Copper	Balance
Nickel	2.5 %
Silicon	0.6 %

Technological properties

Property
Application areas	Offshore & marine: Non-magnetic naval architecture and high strength fasteners (non-magnetic and cryogenic);Aerospace: Bearing cages, aircraft undercarriage components, fasteners and bearings;Other: Fasteners, engine valve guides and seats, pump and valve components, high performance bearings, bushes, gears safety tools, mechanical seals, electrical contacts, resistance welding electrodes and brake pads
Corrosion properties	Excellent corrosion resistance

DIN 17111 Grade R7S6 Hot-Rolled Steel – Ideal for Fasteners Beryllium Copper BECOL-25 – High Strength, Superior Conductivity (TB00 Temper)

Metal